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leetcode-Palindrome Partitioning II
Palindrome Partitioning II  Total Accepted: 11791 Total Submissions: 66110My Submissions Given a string s, partition s such that every substring of the partition is a palindrome. Return t...
分类:其他好文   时间:2014-07-27 23:59:19    阅读次数:592
Apache POI Java读取100万行Excel性能优化:split vs indexOf+subString,谁性能好
使用Apache POI eventmodel实现一个Excel流式读取类,目标是100万,每行46列的,文件大小152MB的Excel文件能在20s读取并处理完。一开始实现的程序需要260s,离目标差太远了,使用jvisualvm分析各方法执行时间,结果如下:可以看到,程序中的splitLine和...
分类:编程语言   时间:2014-07-27 23:23:09    阅读次数:348
BNU 13174 Substring Frequency
3C. Substring FrequencyTime Limit: 1000msMemory Limit: 32768KB64-bit integer IO format:%lld Java class name:MainA string is a finite sequence of symbo...
分类:其他好文   时间:2014-07-27 22:33:49    阅读次数:319
1305: Substring
#include #include#includeusing namespace std;#define maxn 10100#define cls(x) memset(x, 0, sizeof(x))//好了,感觉上面的这个变得更加的牛逼了,直接是让大家看起来是像调用了一个函数的样子,然后就得到了...
分类:其他好文   时间:2014-07-27 22:28:49    阅读次数:220
Gartner:Hype Cycle for Emerging Technologies-2013
The “Hype Cycle for Emerging Technologies” report is the longest-running annual Hype Cycle, providing a cross-industry perspective on the technologies...
分类:其他好文   时间:2014-07-27 11:00:12    阅读次数:290
Gartner: Hype Cycle for Emerging Technologies-2012 (技术成熟度曲线) [转]
英文稿:The “Hype Cycle for Emerging Technologies” report is the longest-running annual Hype Cycle, providing a cross-industry perspective on the technolo...
分类:其他好文   时间:2014-07-27 10:59:02    阅读次数:413
spoj cot: Count on a tree 主席树
10628. Count on a treeProblem code: COTYou are given a tree with N nodes.The tree nodes are numbered from 1 to N.Each node has an integer weight.We wi...
分类:其他好文   时间:2014-07-27 10:31:42    阅读次数:304
[LeetCode] Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
分类:其他好文   时间:2014-07-27 10:25:42    阅读次数:179
cocos2dx 自动添加cpp文件到android.mk
将 LOCAL_SRC_FILES := hellocpp/main.cpp ../../Classes/AppDelegate.cpp ../../Classes/HelloWorldScene.cpp修改成 FILE_LIST := hellocpp/main.cpp FILE_LIST += $(wi...
分类:移动开发   时间:2014-07-26 15:17:40    阅读次数:170
Longest Consecutive Sequence leetcode java
题目:Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given [100, 4, 200, 1, 3, 2],The lon....
分类:编程语言   时间:2014-07-26 14:50:11    阅读次数:226
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